Consolidate isFileUrl checks

Change-Id: I1b74fdfaa09c4d0d6c296253958e83e78b546a9a

28 files changed, 114 insertions, 60 deletions

diff --git a/comphelper/Library_comphelper.mk b/comphelper/Library_comphelper.mk
index 2192217a4338..6f2cc4c8f137 100644
--- a/comphelper/Library_comphelper.mk
+++ b/comphelper/Library_comphelper.mk
@@ -89,6 +89,7 @@ $(eval $(call gb_Library_add_exception_objects,comphelper,\
     comphelper/source/misc/documentiologring \
     comphelper/source/misc/evtlistenerhlp \
     comphelper/source/misc/evtmethodhelper \
+    comphelper/source/misc/fileurl \
     comphelper/source/misc/getexpandeduri \
     comphelper/source/misc/instancelocker \
     comphelper/source/misc/interaction \
diff --git a/comphelper/source/misc/fileurl.cxx b/comphelper/source/misc/fileurl.cxx
new file mode 100644
index 000000000000..9abf1a97f62d
--- /dev/null
+++ b/comphelper/source/misc/fileurl.cxx
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <comphelper/fileurl.hxx>
+#include <rtl/ustring.hxx>
+
+bool comphelper::isFileUrl(OUString const & url) {
+    return url.startsWithIgnoreAsciiCase("file:");
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/comphelper/source/officeinstdir/officeinstallationdirectories.cxx b/comphelper/source/officeinstdir/officeinstallationdirectories.cxx
index 044eeaa59287..7ba751c0951b 100644
--- a/comphelper/source/officeinstdir/officeinstallationdirectories.cxx
+++ b/comphelper/source/officeinstdir/officeinstallationdirectories.cxx
@@ -32,6 +32,7 @@
 #include <osl/file.hxx>
 #include <com/sun/star/beans/XPropertySet.hpp>
 #include <com/sun/star/util/theMacroExpander.hpp>
+#include <comphelper/fileurl.hxx>
 
 #include "officeinstallationdirectories.hxx"
 
@@ -46,7 +47,7 @@ using namespace comphelper;
 
 static bool makeCanonicalFileURL( OUString & rURL )
 {
-    OSL_ENSURE(rURL.startsWithIgnoreAsciiCase("file:"), "File URL expected!");
+    OSL_ENSURE(comphelper::isFileUrl(rURL), "File URL expected!");
 
     OUString aNormalizedURL;
     if ( osl::FileBase::getAbsoluteFileURL( OUString(),
diff --git a/desktop/source/app/app.cxx b/desktop/source/app/app.cxx
index 861cb3ff2bd2..798b69552ab3 100644
--- a/desktop/source/app/app.cxx
+++ b/desktop/source/app/app.cxx
@@ -77,6 +77,7 @@
 #include <sal/log.hxx>
 #include <toolkit/helper/vclunohelper.hxx>
 #include <comphelper/configuration.hxx>
+#include <comphelper/fileurl.hxx>
 #include <comphelper/processfactory.hxx>
 #include <unotools/bootstrap.hxx>
 #include <unotools/configmgr.hxx>
@@ -2429,7 +2430,7 @@ OUString GetURL_Impl(
 
     // dont touch file urls, those should already be in internal form
     // they won't get better here (#112849#)
-    if (rName.startsWith("file:"))
+    if (comphelper::isFileUrl(rName))
     {
         return rName;
     }
diff --git a/extensions/source/plugin/base/context.cxx b/extensions/source/plugin/base/context.cxx
index 863e7a3dcf8a..a11f1a635227 100644
--- a/extensions/source/plugin/base/context.cxx
+++ b/extensions/source/plugin/base/context.cxx
@@ -47,6 +47,7 @@
 #include <com/sun/star/frame/XComponentLoader.hpp>
 #include <com/sun/star/uno/XComponentContext.hpp>
 #include <com/sun/star/frame/Desktop.hpp>
+#include <comphelper/fileurl.hxx>
 #include <tools/urlobj.hxx>
 #include <osl/file.hxx>
 
@@ -139,7 +140,7 @@ void XPluginContext_Impl::getURL(const Reference< ::com::sun::star::plugin::XPlu
         plugin->provideNewStream( OUString(),
                                   Reference< XActiveDataSource >(),
                                   aUrl,
-                                  0, 0, aUrl.startsWith("file:") );
+                                  0, 0, comphelper::isFileUrl(aUrl) );
         return;
     }
 
diff --git a/extensions/source/plugin/base/manager.cxx b/extensions/source/plugin/base/manager.cxx
index c78cb0f928b0..688a0b2eacff 100644
--- a/extensions/source/plugin/base/manager.cxx
+++ b/extensions/source/plugin/base/manager.cxx
@@ -40,6 +40,7 @@
 
 #include <cstdarg>
 
+#include <comphelper/fileurl.hxx>
 #include <comphelper/string.hxx>
 #include <comphelper/processfactory.hxx>
 
@@ -220,7 +221,7 @@ Reference< ::com::sun::star::plugin::XPlugin >  XPluginManager_Impl::createPlugi
     pImpl->provideNewStream( pImpl->getDescription().Mimetype,
                              Reference< com::sun::star::io::XActiveDataSource >(),
                              url,
-                             0, 0, url.startsWith("file:") );
+                             0, 0, comphelper::isFileUrl(url) );
 
     if( ! pImpl->getPluginComm() )
     {
diff --git a/extensions/source/plugin/base/xplugin.cxx b/extensions/source/plugin/base/xplugin.cxx
index db644ec087f7..eab48cd11979 100644
--- a/extensions/source/plugin/base/xplugin.cxx
+++ b/extensions/source/plugin/base/xplugin.cxx
@@ -43,6 +43,7 @@
 #include <com/sun/star/plugin/PluginManager.hpp>
 
 #include <cppuhelper/queryinterface.hxx>
+#include <comphelper/fileurl.hxx>
 #include <comphelper/processfactory.hxx>
 #include <plugin/impl.hxx>
 #include <sal/log.hxx>
@@ -451,7 +452,7 @@ void XPlugin_Impl::modelChanged()
     provideNewStream( m_aDescription.Mimetype,
                       uno::Reference< XActiveDataSource >(),
                       aURL,
-                      0, 0, aURL.startsWith("file:") );
+                      0, 0, comphelper::isFileUrl(aURL) );
     m_nProvidingState = PROVIDING_NONE;
 }
 
@@ -787,7 +788,7 @@ sal_Bool XPlugin_Impl::provideNewStream(const OUString& mimetype,
         if( isfile && stype == NP_ASFILEONLY )
         {
             OString aFileName;
-            if( url.startsWith("file:") )
+            if( comphelper::isFileUrl(url) )
             {
                 OUString aSysName;
                 osl_getSystemPathFromFileURL( url.pData, &aSysName.pData );
diff --git a/filter/source/config/cache/typedetection.cxx b/filter/source/config/cache/typedetection.cxx
index 42b609c09bab..16f204d95bab 100644
--- a/filter/source/config/cache/typedetection.cxx
+++ b/filter/source/config/cache/typedetection.cxx
@@ -31,7 +31,7 @@
 #include <rtl/ustrbuf.hxx>
 #include <framework/interaction.hxx>
 #include <tools/urlobj.hxx>
-#include <unotools/localfilehelper.hxx>
+#include <comphelper/fileurl.hxx>
 #include <comphelper/processfactory.hxx>
 #include <comphelper/sequence.hxx>
 
@@ -1136,7 +1136,7 @@ void TypeDetection::impl_openStream(utl::MediaDescriptor& rDescriptor)
     bool bSuccess = false;
     OUString sURL = rDescriptor.getUnpackedValueOrDefault( utl::MediaDescriptor::PROP_URL(), OUString() );
     bool bRequestedReadOnly = rDescriptor.getUnpackedValueOrDefault( utl::MediaDescriptor::PROP_READONLY(), false );
-    if ( utl::LocalFileHelper::IsFileUrl( sURL ) )
+    if ( comphelper::isFileUrl( sURL ) )
     {
         // OOo uses own file locking mechanics in case of local file
         bSuccess = rDescriptor.addInputStreamOwnLock();
diff --git a/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx b/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx
index afd728eb411a..56db0c1cc2ea 100644
--- a/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx
+++ b/filter/source/xmlfilteradaptor/XmlFilterAdaptor.cxx
@@ -41,6 +41,7 @@
 #include <com/sun/star/style/XStyleFamiliesSupplier.hpp>
 #include <com/sun/star/style/XStyleLoader.hpp>
 #include <com/sun/star/container/XNameAccess.hpp>
+#include <comphelper/fileurl.hxx>
 #include <comphelper/processfactory.hxx>
 #include <comphelper/sequenceashashmap.hxx>
 #include <unotools/mediadescriptor.hxx>
@@ -141,7 +142,7 @@ bool SAL_CALL XmlFilterAdaptor::importImpl( const Sequence< ::com::sun::star::be
             Sequence<com::sun::star::beans::PropertyValue> pValue=xstyleLoader->getStyleLoaderOptions();
 
             //Load the Styles from the Template URL Supplied in the TypeDetection file
-            if(msTemplateName.indexOf("file:")==-1)
+            if(!comphelper::isFileUrl(msTemplateName))
             {
                 SvtPathOptions aOptions;
                 OUString PathString = aOptions.SubstituteVariable(OUString("$(progurl)"));
diff --git a/filter/source/xsltdialog/xmlfiltercommon.hxx b/filter/source/xsltdialog/xmlfiltercommon.hxx
index 59523ce4b8ec..9db846a8b6e2 100644
--- a/filter/source/xsltdialog/xmlfiltercommon.hxx
+++ b/filter/source/xsltdialog/xmlfiltercommon.hxx
@@ -33,12 +33,6 @@
 extern OUString string_encode( const OUString & rText );
 extern OUString string_decode( const OUString & rText );
 
-
-
-extern bool isFileURL( const OUString & rURL );
-
-
-
 bool copyStreams( ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > xIS, ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > xOS );
 bool createDirectory( OUString& rURL );
 
diff --git a/filter/source/xsltdialog/xmlfiltersettingsdialog.cxx b/filter/source/xsltdialog/xmlfiltersettingsdialog.cxx
index 7fcbaaae7ac0..c937e3f4029a 100644
--- a/filter/source/xsltdialog/xmlfiltersettingsdialog.cxx
+++ b/filter/source/xsltdialog/xmlfiltersettingsdialog.cxx
@@ -1622,11 +1622,6 @@ OUString string_decode( const OUString & rText )
     return Uri::decode( rText, rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8 );
 }
 
-bool isFileURL( const OUString & rURL )
-{
-    return rURL.startsWith("file:");
-}
-
 bool copyStreams( Reference< XInputStream > xIS, Reference< XOutputStream > xOS )
 {
     try
diff --git a/filter/source/xsltdialog/xmlfiltertabdialog.cxx b/filter/source/xsltdialog/xmlfiltertabdialog.cxx
index 9309ef173b1b..1511f12ba39f 100644
--- a/filter/source/xsltdialog/xmlfiltertabdialog.cxx
+++ b/filter/source/xsltdialog/xmlfiltertabdialog.cxx
@@ -20,6 +20,7 @@
 #include <com/sun/star/container/XNameAccess.hpp>
 #include <com/sun/star/beans/PropertyValue.hpp>
 #include <com/sun/star/uno/XComponentContext.hpp>
+#include <comphelper/fileurl.hxx>
 #include <tools/resid.hxx>
 #include <vcl/layout.hxx>
 #include <osl/file.hxx>
@@ -193,7 +194,7 @@ bool XMLFilterTabDialog::onOk()
     if( 0 == nErrorId )
     {
         // 4. see if the export xslt is valid
-        if( (mpNewInfo->maExportXSLT != mpOldInfo->maExportXSLT) && isFileURL( mpNewInfo->maExportXSLT ) )
+        if( (mpNewInfo->maExportXSLT != mpOldInfo->maExportXSLT) && comphelper::isFileUrl( mpNewInfo->maExportXSLT ) )
         {
             osl::File aFile( mpNewInfo->maExportXSLT );
             osl::File::RC aRC = aFile.open( osl_File_OpenFlag_Read );
@@ -209,7 +210,7 @@ bool XMLFilterTabDialog::onOk()
     if( 0 == nErrorId )
     {
         // 5. see if the import xslt is valid
-        if( (mpNewInfo->maImportXSLT != mpOldInfo->maImportXSLT) && isFileURL( mpNewInfo->maImportXSLT ) )
+        if( (mpNewInfo->maImportXSLT != mpOldInfo->maImportXSLT) && comphelper::isFileUrl( mpNewInfo->maImportXSLT ) )
         {
             osl::File aFile( mpNewInfo->maImportXSLT );
             osl::File::RC aRC = aFile.open( osl_File_OpenFlag_Read );
@@ -233,7 +234,7 @@ bool XMLFilterTabDialog::onOk()
     if( 0 == nErrorId )
     {
         // 6. see if the import template is valid
-        if( (mpNewInfo->maImportTemplate != mpOldInfo->maImportTemplate) && isFileURL( mpNewInfo->maImportTemplate ) )
+        if( (mpNewInfo->maImportTemplate != mpOldInfo->maImportTemplate) && comphelper::isFileUrl( mpNewInfo->maImportTemplate ) )
         {
             osl::File aFile( mpNewInfo->maImportTemplate );
             osl::File::RC aRC = aFile.open( osl_File_OpenFlag_Read );
diff --git a/include/comphelper/fileurl.hxx b/include/comphelper/fileurl.hxx
new file mode 100644
index 000000000000..9275d4abbfc4
--- /dev/null
+++ b/include/comphelper/fileurl.hxx
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_COMPHELPER_FILEURL_HXX
+#define INCLUDED_COMPHELPER_FILEURL_HXX
+
+#include <sal/config.h>
+
+#include <comphelper/comphelperdllapi.h>
+#include <rtl/ustring.hxx>
+
+namespace comphelper {
+
+// Return true iff url is an absolute URL of "file" scheme:
+COMPHELPER_DLLPUBLIC bool isFileUrl(OUString const & url);
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/unotools/localfilehelper.hxx b/include/unotools/localfilehelper.hxx
index 7c1be21b7e5c..31cd395db6d8 100644
--- a/include/unotools/localfilehelper.hxx
+++ b/include/unotools/localfilehelper.hxx
@@ -29,8 +29,6 @@ namespace utl
     class UNOTOOLS_DLLPUBLIC LocalFileHelper
     {
     public:
-        static bool IsFileUrl(const OUString& rUrl);
-
         static          ::com::sun::star::uno::Sequence< OUString >
                                 GetFolderContents( const OUString& rFolder, bool bFolder );
     };
diff --git a/package/source/zippackage/ZipPackage.cxx b/package/source/zippackage/ZipPackage.cxx
index 95a638a22b74..1f2747b160ae 100644
--- a/package/source/zippackage/ZipPackage.cxx
+++ b/package/source/zippackage/ZipPackage.cxx
@@ -41,6 +41,7 @@
 #include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
 #include <com/sun/star/container/XNameContainer.hpp>
 #include <com/sun/star/ucb/IOErrorCode.hpp>
+#include <comphelper/fileurl.hxx>
 #include <ucbhelper/content.hxx>
 #include <cppuhelper/factory.hxx>
 #include <cppuhelper/exc_hlp.hxx>
@@ -173,7 +174,7 @@ ZipPackage::~ZipPackage()
 
 bool ZipPackage::isLocalFile() const
 {
-    return m_aURL.startsWithIgnoreAsciiCase("file:");
+    return comphelper::isFileUrl(m_aURL);
 }
 
 void ZipPackage::parseManifest()
diff --git a/sdext/Library_pdfimport.mk b/sdext/Library_pdfimport.mk
index ca7d5ac80920..dec3c3aa75c1 100644
--- a/sdext/Library_pdfimport.mk
+++ b/sdext/Library_pdfimport.mk
@@ -20,6 +20,7 @@ $(eval $(call gb_Library_set_include,pdfimport,\
 
 $(eval $(call gb_Library_use_libraries,pdfimport,\
     basegfx \
+    comphelper \
     vcl \
     cppu \
     cppuhelper \
diff --git a/sdext/source/pdfimport/filterdet.cxx b/sdext/source/pdfimport/filterdet.cxx
index 23bb0c91ab24..e966529f7eb2 100644
--- a/sdext/source/pdfimport/filterdet.cxx
+++ b/sdext/source/pdfimport/filterdet.cxx
@@ -32,6 +32,7 @@
 #include <com/sun/star/io/XStream.hpp>
 #include <com/sun/star/io/XSeekable.hpp>
 #include <com/sun/star/io/TempFile.hpp>
+#include <comphelper/fileurl.hxx>
 #include <cppuhelper/supportsservice.hxx>
 #include <boost/scoped_ptr.hpp>
 #include <string.h>
@@ -256,7 +257,7 @@ OUString SAL_CALL PDFDetector::detect( uno::Sequence< beans::PropertyValue >& rF
         // check for hybrid PDF
         oslFileHandle aFile = NULL;
         if( bSuccess &&
-            ( aURL.isEmpty() || !aURL.startsWith( "file:" ) )
+            ( aURL.isEmpty() || !comphelper::isFileUrl(aURL) )
         )
         {
             sal_uInt64 nWritten = 0;
diff --git a/sfx2/source/dialog/filedlghelper.cxx b/sfx2/source/dialog/filedlghelper.cxx
index 464b098bf9bb..fd1f6799a277 100644
--- a/sfx2/source/dialog/filedlghelper.cxx
+++ b/sfx2/source/dialog/filedlghelper.cxx
@@ -43,7 +43,7 @@
 #include <com/sun/star/task/InteractionHandler.hpp>
 #include <com/sun/star/task/XInteractionRequest.hpp>
 #include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp>
-
+#include <comphelper/fileurl.hxx>
 #include <comphelper/processfactory.hxx>
 #include <comphelper/sequenceashashmap.hxx>
 #include <comphelper/stillreadwriteinteraction.hxx>
@@ -53,7 +53,6 @@
 #include <vcl/help.hxx>
 #include <unotools/ucbstreamhelper.hxx>
 #include <unotools/ucbhelper.hxx>
-#include <unotools/localfilehelper.hxx>
 #include <osl/file.hxx>
 #include <osl/mutex.hxx>
 #include <osl/security.hxx>
@@ -1963,7 +1962,7 @@ void FileDialogHelper_Impl::saveConfig()
         if ( ! mbIsSaveDlg )
         {
             OUString aPath = getPath();
-            if ( utl::LocalFileHelper::IsFileUrl( aPath ) )
+            if ( comphelper::isFileUrl( aPath ) )
             {
                 SetToken( aUserData, 1, ' ', aPath );
                 bWriteConfig = true;
diff --git a/sfx2/source/doc/docfile.cxx b/sfx2/source/doc/docfile.cxx
index cb7b20bc79a8..284c581f362b 100644
--- a/sfx2/source/doc/docfile.cxx
+++ b/sfx2/source/doc/docfile.cxx
@@ -66,6 +66,7 @@
 #include <com/sun/star/security/DocumentDigitalSignatures.hpp>
 #include <tools/urlobj.hxx>
 #include <unotools/tempfile.hxx>
+#include <comphelper/fileurl.hxx>
 #include <comphelper/processfactory.hxx>
 #include <comphelper/interaction.hxx>
 #include <framework/interaction.hxx>
@@ -94,7 +95,6 @@
 #include <svtools/asynclink.hxx>
 #include <svl/inettype.hxx>
 #include <ucbhelper/commandenvironment.hxx>
-#include <unotools/localfilehelper.hxx>
 #include <unotools/ucbstreamhelper.hxx>
 #include <unotools/ucbhelper.hxx>
 #include <unotools/progresshandlerwrap.hxx>
@@ -1027,7 +1027,7 @@ void SfxMedium::LockOrigFileOnDemand( bool bLoading, bool bNoUI )
                     sal_Int8 bUIStatus = LOCK_UI_NOLOCK;
 
                     // check whether system file locking has been used, the default value is false
-                    bool bUseSystemLock = ::utl::LocalFileHelper::IsFileUrl( pImp->m_aLogicName ) && IsSystemFileLockingUsed();
+                    bool bUseSystemLock = comphelper::isFileUrl( pImp->m_aLogicName ) && IsSystemFileLockingUsed();
 
                     // TODO/LATER: This implementation does not allow to detect the system lock on saving here, actually this is no big problem
                     // if system lock is used the writeable stream should be available
@@ -1861,7 +1861,7 @@ void SfxMedium::Transfer_Impl()
 
         OUString aDestURL( aDest.GetMainURL( INetURLObject::NO_DECODE ) );
 
-        if ( ::utl::LocalFileHelper::IsFileUrl( aDestURL ) || !aDest.removeSegment() )
+        if ( comphelper::isFileUrl( aDestURL ) || !aDest.removeSegment() )
         {
             TransactedTransferForFS_Impl( aSource, aDest, xComEnv );
 
diff --git a/sfx2/source/doc/objcont.cxx b/sfx2/source/doc/objcont.cxx
index 6ed6fe8eec42..503318cb9cbc 100644
--- a/sfx2/source/doc/objcont.cxx
+++ b/sfx2/source/doc/objcont.cxx
@@ -25,6 +25,7 @@
 #include <com/sun/star/document/UpdateDocMode.hpp>
 #include <com/sun/star/frame/XLayoutManager.hpp>
 #include <com/sun/star/embed/ElementModes.hpp>
+#include <comphelper/fileurl.hxx>
 #include <vcl/msgbox.hxx>
 #include <svl/style.hxx>
 #include <vcl/wrkwin.hxx>
@@ -46,7 +47,6 @@
 
 #include <unotools/saveopt.hxx>
 #include <unotools/useroptions.hxx>
-#include <unotools/localfilehelper.hxx>
 #include <vcl/virdev.hxx>
 #include <vcl/oldprintadaptor.hxx>
 #include <vcl/settings.hxx>
@@ -387,7 +387,7 @@ void SfxObjectShell::UpdateFromTemplate_Impl(  )
     if ( !pFile )
         return;
 
-    if ( !::utl::LocalFileHelper::IsFileUrl( pFile->GetName() ) )
+    if ( !comphelper::isFileUrl( pFile->GetName() ) )
         // update only for documents loaded from the local file system
         return;
 
@@ -532,7 +532,7 @@ void SfxObjectShell::ResetFromTemplate( const OUString& rTemplateName, const OUS
         // TODO/REFACTOR:
         // Title?
 
-        if( ::utl::LocalFileHelper::IsFileUrl( rFileName ) )
+        if( comphelper::isFileUrl( rFileName ) )
         {
             OUString aFoundName;
             if( SfxGetpApp()->Get_Impl()->GetDocumentTemplates()->GetFull( OUString(), rTemplateName, aFoundName ) )
diff --git a/svl/source/fsstor/fsstorage.cxx b/svl/source/fsstor/fsstorage.cxx
index 625cd951379f..14543b6ec21b 100644
--- a/svl/source/fsstor/fsstorage.cxx
+++ b/svl/source/fsstor/fsstorage.cxx
@@ -42,7 +42,7 @@
 #include <com/sun/star/sdbc/XResultSet.hpp>
 #include <com/sun/star/sdbc/XRow.hpp>
 
-
+#include <comphelper/fileurl.hxx>
 #include <comphelper/processfactory.hxx>
 #include <comphelper/storagehelper.hxx>
 #include <cppuhelper/queryinterface.hxx>
@@ -61,13 +61,6 @@
 
 using namespace ::com::sun::star;
 
-
-// TODO: move to a standard helper
-bool isLocalFile_Impl( const OUString& aURL )
-{
-    return aURL.startsWithIgnoreAsciiCase("file:");
-}
-
 struct FSStorage_Impl
 {
     OUString m_aURL;
@@ -403,7 +396,7 @@ uno::Reference< io::XStream > SAL_CALL FSStorage::openStreamElement(
     {
         if ( nOpenMode & embed::ElementModes::WRITE )
         {
-            if ( isLocalFile_Impl( aFileURL.GetMainURL( INetURLObject::NO_DECODE ) ) )
+            if ( aFileURL.GetProtocol() == INetProtocol::File )
             {
                 uno::Reference<ucb::XSimpleFileAccess3> xSimpleFileAccess(
                     ucb::SimpleFileAccess::create( m_pImpl->m_xContext ) );
@@ -1351,7 +1344,7 @@ uno::Reference< embed::XExtendedStorageStream > SAL_CALL FSStorage::openStreamEl
     {
         if ( nOpenMode & embed::ElementModes::WRITE )
         {
-            if ( isLocalFile_Impl( aFileURL ) )
+            if ( comphelper::isFileUrl( aFileURL ) )
             {
                 uno::Reference<ucb::XSimpleFileAccess3> xSimpleFileAccess(
                     ucb::SimpleFileAccess::create( m_pImpl->m_xContext ) );
diff --git a/sw/source/ui/chrdlg/chardlg.cxx b/sw/source/ui/chrdlg/chardlg.cxx
index 35ae0d0eaef5..fc1bb7f79155 100644
--- a/sw/source/ui/chrdlg/chardlg.cxx
+++ b/sw/source/ui/chrdlg/chardlg.cxx
@@ -19,6 +19,7 @@
 
 #include <hintids.hxx>
 
+#include <comphelper/fileurl.hxx>
 #include <vcl/msgbox.hxx>
 #include <svl/urihelper.hxx>
 #include <svl/stritem.hxx>
@@ -255,7 +256,7 @@ bool SwCharURLPage::FillItemSet(SfxItemSet* rSet)
     {
         sURL = URIHelper::SmartRel2Abs(INetURLObject(), sURL, Link<OUString *, bool>(), false );
         // #i100683# file URLs should be normalized in the UI
-        if ( sURL.startsWith("file:") )
+        if ( comphelper::isFileUrl(sURL) )
             sURL = URIHelper::simpleNormalizedMakeRelative(OUString(), sURL);
     }
 
diff --git a/ucb/source/ucp/file/bc.cxx b/ucb/source/ucp/file/bc.cxx
index f49b152d9f6b..86127c6eeb37 100644
--- a/ucb/source/ucp/file/bc.cxx
+++ b/ucb/source/ucp/file/bc.cxx
@@ -34,6 +34,7 @@
 #include <com/sun/star/beans/PropertySetInfoChange.hpp>
 #include <com/sun/star/ucb/ContentAction.hpp>
 #include <com/sun/star/ucb/NameClash.hpp>
+#include <comphelper/fileurl.hxx>
 #include <cppuhelper/supportsservice.hxx>
 #include "filglob.hxx"
 #include "filid.hxx"
@@ -1065,7 +1066,7 @@ BaseContent::transfer( sal_Int32 nMyCommandIdentifier,
     if( m_nState & Deleted )
         return;
 
-    if( !aTransferInfo.SourceURL.startsWith( "file:" ) )
+    if( !comphelper::isFileUrl(aTransferInfo.SourceURL) )
     {
         m_pMyShell->installError( nMyCommandIdentifier,
                                   TASKHANDLING_TRANSFER_INVALIDSCHEME );
diff --git a/unotools/source/ucbhelper/localfilehelper.cxx b/unotools/source/ucbhelper/localfilehelper.cxx
index 9afcd8a33f41..8865f99a4567 100644
--- a/unotools/source/ucbhelper/localfilehelper.cxx
+++ b/unotools/source/ucbhelper/localfilehelper.cxx
@@ -36,11 +36,6 @@ using namespace ::com::sun::star::ucb;
 namespace utl
 {
 
-bool LocalFileHelper::IsFileUrl(const OUString& rUrl)
-{
-    return rUrl.startsWithIgnoreAsciiCase("file:");
-}
-
 typedef ::std::vector< OUString* > StringList_Impl;
 
 ::com::sun::star::uno::Sequence < OUString > LocalFileHelper::GetFolderContents( const OUString& rFolder, bool bFolder )
diff --git a/uui/source/iahndl-ioexceptions.cxx b/uui/source/iahndl-ioexceptions.cxx
index 029ba1dd8895..9da345ff1ed6 100644
--- a/uui/source/iahndl-ioexceptions.cxx
+++ b/uui/source/iahndl-ioexceptions.cxx
@@ -20,6 +20,7 @@
 #include <com/sun/star/beans/PropertyValue.hpp>
 #include <com/sun/star/task/XInteractionRequest.hpp>
 #include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp>
+#include <comphelper/fileurl.hxx>
 
 #include "ids.hrc"
 
@@ -80,9 +81,7 @@ getResourceNameRequestArgument(uno::Sequence< uno::Any > const & rArguments,
     if (!getStringRequestArgument(rArguments, "Uri",  pValue))
         return false;
     // Use the resource name only for file URLs, to avoid confusion:
-    //TODO! work with ucp locality concept instead of hardcoded "file"?
-    if (pValue
-        && pValue->matchIgnoreAsciiCase("file:"))
+    if (pValue && comphelper::isFileUrl(*pValue))
         getStringRequestArgument(rArguments, "ResourceName", pValue);
     return true;
 }
diff --git a/vcl/generic/print/genprnpsp.cxx b/vcl/generic/print/genprnpsp.cxx
index 044206698d66..8c1a10a82c26 100644
--- a/vcl/generic/print/genprnpsp.cxx
+++ b/vcl/generic/print/genprnpsp.cxx
@@ -36,6 +36,7 @@
 #  include <sys/stat.h>
 #endif
 
+#include <comphelper/fileurl.hxx>
 #include "rtl/ustring.hxx"
 
 #include "vcl/button.hxx"
@@ -1124,7 +1125,7 @@ bool PspSalPrinter::StartJob( const OUString* i_pFileName, const OUString& i_rJo
                 else
                     osl_createTempFile( NULL, NULL, &aPDFUrl.pData );
                 // normalize to file URL
-                if( !aPDFUrl.startsWith( "file:" ) )
+                if( !comphelper::isFileUrl(aPDFUrl) )
                 {
                     // this is not a file URL, but it should
                     // form it into a osl friendly file URL
diff --git a/vcl/osx/salframe.cxx b/vcl/osx/salframe.cxx
index 58fdbf9f4e9b..3882c4023824 100644
--- a/vcl/osx/salframe.cxx
+++ b/vcl/osx/salframe.cxx
@@ -19,6 +19,7 @@
 
 #include <string>
 
+#include <comphelper/fileurl.hxx>
 #include "rtl/ustrbuf.hxx"
 
 #include "osl/file.h"
@@ -323,7 +324,7 @@ void AquaSalFrame::SetRepresentedURL( const OUString& i_rDocURL )
     // #i113170# may not be the main thread if called from UNO API
     SalData::ensureThreadAutoreleasePool();
 
-    if( i_rDocURL.startsWith( "file:" ) )
+    if( comphelper::isFileUrl(i_rDocURL) )
     {
         OUString aSysPath;
         osl_getSystemPathFromFileURL( i_rDocURL.pData, &aSysPath.pData );
diff --git a/xmlhelp/source/cxxhelp/provider/db.hxx b/xmlhelp/source/cxxhelp/provider/db.hxx
index bdfaa38d84dd..1fc09e47f45d 100644
--- a/xmlhelp/source/cxxhelp/provider/db.hxx
+++ b/xmlhelp/source/cxxhelp/provider/db.hxx
@@ -20,7 +20,7 @@
 #define INCLUDED_XMLHELP_SOURCE_CXXHELP_PROVIDER_DB_HXX
 
 #include <com/sun/star/ucb/XSimpleFileAccess3.hpp>
-
+#include <comphelper/fileurl.hxx>
 #include <osl/diagnose.h>
 #include <rtl/string.hxx>
 #include <unordered_map>
@@ -95,7 +95,7 @@ namespace helpdatafileproxy {
                 , m_nItRead( -1 )
                 , m_iItPos( -1 )
         {
-            OSL_ASSERT(rFileURL.startsWith("file:"));
+            OSL_ASSERT(comphelper::isFileUrl(rFileURL));
         }
         ~Hdf()
             { releaseHashMap(); }